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        <li class="main active"><a href="#_1">拉马努金连分数公式</a></li>
            <li><a href="#e">这个绝美的公式不仅像欧拉公式一样联系起了圆周率和e，同时它还将黄金分割数也包含在内！</a></li>
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<h1 id="_1">拉马努金连分数公式</h1>
<pre><code>mathcal字体
</code></pre>
<p>$$ 
\mathcal {Ramanujan Continued Fraction}
$$
$$
\mathcal {
\sqrt{\frac{(1+\sqrt{5})}{2} + 2}-\frac{1+\sqrt{5}}{2} = \frac{e^{-\frac{2\pi}{5}}}{1+\frac{e^{-2\pi}}{1+\frac{e^{-4\pi}}{1+\frac{e^{-6\pi}}{1+\cdots}}}}<br />
 }
 $$  </p>
<pre><code>cal字体
</code></pre>
<p>$$ 
\cal  {Ramanujan Continued Fraction}
$$
$$
\cal  {
\sqrt{\frac{(1+\sqrt{5})}{2} + 2}-\frac{1+\sqrt{5}}{2} = \frac{e^{-\frac{2\pi}{5}}}{1+\frac{e^{-2\pi}}{1+\frac{e^{-4\pi}}{1+\frac{e^{-6\pi}}{1+\cdots}}}}<br />
 }
 $$ </p>
<pre><code>mathfrak字体
</code></pre>
<p>$$ 
\mathfrak  {Ramanujan Continued Fraction}
$$
$$
\mathfrak  {
\sqrt{\frac{(1+\sqrt{5})}{2} + 2}-\frac{1+\sqrt{5}}{2} = \frac{e^{-\frac{2\pi}{5}}}{1+\frac{e^{-2\pi}}{1+\frac{e^{-4\pi}}{1+\frac{e^{-6\pi}}{1+\cdots}}}}<br />
 }
 $$ </p>
<pre><code> mathsf字体
</code></pre>
<p>$$ 
\mathsf   {Ramanujan Continued Fraction}
$$
$$
\mathsf   {
\sqrt{\frac{(1+\sqrt{5})}{2} + 2}-\frac{1+\sqrt{5}}{2} = \frac{e^{-\frac{2\pi}{5}}}{1+\frac{e^{-2\pi}}{1+\frac{e^{-4\pi}}{1+\frac{e^{-6\pi}}{1+\cdots}}}}<br />
 }
 $$ </p>
<pre><code> mathbf字体
</code></pre>
<p>$$ 
\mathbf    {Ramanujan Continued Fraction}
$$
$$
\mathbf    {
\sqrt{\frac{(1+\sqrt{5})}{2} + 2}-\frac{1+\sqrt{5}}{2} = \frac{e^{-\frac{2\pi}{5}}}{1+\frac{e^{-2\pi}}{1+\frac{e^{-4\pi}}{1+\frac{e^{-6\pi}}{1+\cdots}}}}<br />
 }
 $$ 
 $$<br />
 $$ 
 $$   <br />
\text{  \sqrt{\frac{(1+\sqrt{5})}{2} + 2}-\frac{1+\sqrt{5}}{2} =  }
$$ 
$$ 
\text{  \frac{e^{-\frac{2\pi}{5}}}{1+\frac{e^{-2\pi}}{1+\frac{e^{-4\pi}}{1+\frac{e^{-6\pi}}{1+\cdots}}}} }
$$</p>
<h2 id="e">这个绝美的公式不仅像欧拉公式一样联系起了圆周率和e，同时它还将黄金分割数也包含在内！</h2>
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